Inguinal lymph node edema may be considered to be associated with lymphadenitis, urinary or pelvic infections, abdominal tumors and other causes. 1. Lymphadenitis: When the lower limbs are infected with viruses or bacteria, it usually leads to lymphadenitis in the groin, which makes the lymph nodes in the groin show obvious symptoms of swelling and pain, and is accompanied by an increase in local skin temperature. 2. Urinary system or pelvic infection: when the urinary system and pelvic inflammatory attack, can lead to inguinal lymph node swelling, pain, often accompanied by systemic symptoms. 3. Abdominal tumors: such as digestive tract, lower abdominal intestinal tumors, or perineal pelvic tumors, can lead to inguinal lymph node enlargement. It is recommended to have a light and regular diet, avoid spicy and stimulating food, pay attention to rest and avoid overwork. Inguinal lymph node enlargement is also seen in other causes, it is recommended to go to the regular hospital, under the guidance of professional medical guidance standardized treatment, so as not to delay the condition.